Cooktop



FIG. 1 is a left side view of a cooktop, embodying the new ornamental design;

FIG. 2 is a top view of the cooktop shown in FIG. 1, embodying the new ornamental design;

FIG. 3 is a right side view of the cooktop shown in FIG. 1, embodying the new ornamental design;

FIG. 4 is a front view of the cooktop shown in FIG. 1, embodying the new ornamental design;

FIG. 5 is a back view of the cooktop shown in FIG. 1, embodying the new ornamental design;

FIG. 6 is a bottom view of the cooktop shown in FIG. 1, embodying the new ornamental design;

FIG. 7 is a front perspective view of the cooktop shown in FIG. 1, embodying the new ornamental design; and,

FIG. 8 is a back perspective view of the cooktop shown in FIG. 1, embodying the new ornamental design.

The dashed lines in FIGS. 1-8 illustrate features that form no part of the claimed design. 

CLAIM The ornamental design for a cooktop, as shown and described. 